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From: adr <mtd@mcmen.demon.co.uk>
To: "Jörn Engel" <joern@wohnheim.fh-wedel.de>
Cc: Mtd <linux-mtd@lists.infradead.org>
Subject: Re: Writing an mtd user module
Date: Sun, 8 Sep 2002 20:49:02 +0100	[thread overview]
Message-ID: <200209082049.02572.mtd@mcmen.demon.co.uk> (raw)
In-Reply-To: <20020908173635.GA19559@wohnheim.fh-wedel.de>

On Sunday 08 Sep 2002 6:36 pm, Jörn Engel wrote:
> On Sun, 8 September 2002 17:26:50 +0100, adr wrote:
> > Having written a driver module for the Dreamcast flash cartridge/vmu, I
> > am now attempting to write a user module that works with the default fs
> > on the Dreamcast flash (see http://mc.pp.se/dc/vms/flashmem.html if you
> > are interested in knowing more about that).
> >

>
> The block devices don't need to be notified of any changes, devfs
> does. When you "ls /dev/mtdblock", you want to see all the devices
> currently registered.
> To reach that goal, on 'insmod slram something", which creates a new
> device, mtdblock has to be notified of the change in order to change
> the devfs entries.
>
> Now, for an fs, you only need one device, known from mount to umount,
> so register_mtd_user() is pointless for that purpose.
>
> Jrn

I'm not sure I fully understand this :-<

What was wrong, the documentation on the websiste or my interpretation of it? 
Am I to take it the notification functions are irrelevant except when devfs 
is being used?

Adrian

  reply	other threads:[~2002-09-08 19:47 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-09-08 16:26 Writing an mtd user module adr
2002-09-08 17:36 ` Jörn Engel
2002-09-08 19:49   ` adr [this message]
2002-09-09  7:35     ` David Woodhouse

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